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Investment in Charter Accounted for Using the Equity Method - Class A common stock sold to Charter (Details) - USD ($) $ in Millions | 1 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2025 | Jun. 30, 2025 | Jun. 30, 2024
Investments in affiliates accounted for using the Equity Method |  |  |
Amount of Charter sold |  | $ 600 | $ 116
Charter | Series A common stock |  |  |
Investments in affiliates accounted for using the Equity Method |  |  |
Number of Charter sold |  | 1,634,261 | 343,903
Amount of Charter sold |  | $ 600 | $ 116
Charter | Series A common stock | Subsequent event |  |  |
Investments in affiliates accounted for using the Equity Method |  |  |
Number of Charter sold | 254,706 |  |
Amount of Charter sold | $ 100 |  |

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